def makeScale(whichOctave, whichKey, whichScale, makeHarmony = 'U0'):
#Load note dictionary
note_freqs = get_piano_notes()
#Define tones. Upper case are white keys in piano. Lower case are black keys
scale_intervals = ['A','a','B','C','c','D','d','E','F','f','G','g']
#Find index of desired key
index = scale_intervals.index(whichKey)
#Redefine scale interval so that scale intervals begins with whichKey
new_scale = scale_intervals[index:12] + scale_intervals[:index]
#Choose scale
if whichScale == 'AEOLIAN':
scale = [0, 2, 3, 5, 7, 8, 10]
elif whichScale == 'BLUES':
scale = [0, 2, 3, 4, 5, 7, 9, 10, 11]
elif whichScale == 'PHYRIGIAN':
scale = [0, 1, 3, 5, 7, 8, 10]
elif whichScale == 'CHROMATIC':
scale = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
elif whichScale == 'DIATONIC_MINOR':
scale = [0, 2, 3, 5, 7, 8, 10]
elif whichScale == 'DORIAN':
scale = [0, 2, 3, 5, 7, 9, 10]
elif whichScale == 'HARMONIC_MINOR':
scale = [0, 2, 3, 5, 7, 8, 11]
elif whichScale == 'LYDIAN':
scale = [0, 2, 4, 6, 7, 9, 11]
elif whichScale == 'MAJOR':
scale = [0, 2, 4, 5, 7, 9, 11]
elif whichScale == 'MELODIC_MINOR':
scale = [0, 2, 3, 5, 7, 8, 9, 10, 11]
elif whichScale == 'MINOR':
scale = [0, 2, 3, 5, 7, 8, 10]
elif whichScale == 'MIXOLYDIAN':
scale = [0, 2, 4, 5, 7, 9, 10]
elif whichScale == 'NATURAL_MINOR':
scale = [0, 2, 3, 5, 7, 8, 10]
elif whichScale == 'PENTATONIC':
scale = [0, 2, 4, 7, 9]
else:
print('Invalid scale name')
#Make harmony dictionary (i.e. fundamental, perfect fifth, major third, octave)
#unison = U0
#semitone = ST
#major second = M2
#minor third = m3
#major third = M3
#perfect fourth = P4
#diatonic tritone = DT
#perfect fifth = P5
#minor sixth = m6
#major sixth = M6
#minor seventh = m7
#major seventh = M7
#octave = O8
harmony_select = {'U0' : 1,
'ST' : 16/15,
'M2' : 9/8,
'm3' : 6/5,
'M3' : 5/4,
'P4' : 4/3,
'DT' : 45/32,
'P5' : 3/2,
'm6': 8/5,
'M6': 5/3,
'm7': 9/5,
'M7': 15/8,
'O8': 2
}
#Get length of scale (i.e., how many notes in scale)
nNotes = len(scale)
#Initialize arrays
freqs = []
#harmony = []
#harmony_val = harmony_select[makeHarmony]
for i in range(nNotes):
note = new_scale[scale[i]] + str(whichOctave)
freqToAdd = note_freqs[note]
freqs.append(freqToAdd)
#harmony.append(harmony_val*freqToAdd)
return freqs#,harmony
